-7.8% is the change from 705 to 650
Calculation steps:
[( 650 - 705 ) ÷ 705] x 100 = -7.8%
Formula
Percentage change = [(650 - 705) / 705] x 100
Subtract the new number by the original number
650 - 705 = -55
-55 ÷ 705 = -0.07801418439716312
-0.07801418439716312 x 100 = -7.8%